Liphaus, B. de L. et al. 2002. Analysis of human leukocyte antigens class II-DR in Brazilian children and adolescents with systemic lupus erythematosus . Revista do Hospital das Clínicas. 57, 6 (Jan. 2002), 277–282. DOI:https://doi.org/10.1590/S0041-87812002000600006.